Sleep in power idle.

jonathanpallant · jonathanpallant · commit fd746e72e207 · 2023-01-13T11:59:15.000Z
Reduces keyboard polling to about 60 Hz.
diff --git a/src/main.rs b/src/main.rs
@@ -1554,7 +1554,7 @@ extern "C" fn block_dev_eject(dev_id: u8) -> common::Result<()> {
 /// Sleep the CPU until the next interrupt.
 extern "C" fn power_idle() {
 	// cortex_m::asm::wfe();
-	// cortex_m::asm::delay(20_000_000);
+	cortex_m::asm::delay(1_000_000);
 }
 
 /// TODO: Get the monotonic run-time of the system from SysTick.

Original file line number	Diff line number	Diff line change
`@@ -1554,7 +1554,7 @@ extern "C" fn block_dev_eject(dev_id: u8) -> common::Result<()> {`
`1554`	`1554`	`/// Sleep the CPU until the next interrupt.`
`1555`	`1555`	`extern "C" fn power_idle() {`
`1556`	`1556`	`// cortex_m::asm::wfe();`
`1557`		`- // cortex_m::asm::delay(20_000_000);`
	`1557`	`+ cortex_m::asm::delay(1_000_000);`
`1558`	`1558`	`}`
`1559`	`1559`
`1560`	`1560`	`/// TODO: Get the monotonic run-time of the system from SysTick.`